.header {
    width: 100%;
    height: 70px;
    background-color: #333333;
    color: #ffffff;
}

.header .container {
    display: flex;
    align-items: center;
}

.header .container li {
    display: flex;
    align-items: center;
    height: 100%;
}

.header .container li a {
    height: 100%;
    display: flex;
    align-items: center;
    padding: 0 30px;
    color: #cccccc;
}

.header .container li a:hover {
    background-color: #242424;
    color: #ffffff;
}

.header .container li a.active {
    background-color: #242424;
    color: #ffffff;
}

.header .container li button {
    width: 80px;
    margin: 0 5px;
    height: 100%;
    font-size: 15px;
    background-color: #333333;
    border: 0;
    color: #cccccc;
    cursor: pointer;
}



